The largest chalk painting by an individual measuring 10 m by 5 m (34 ft by 17 ft 6 in) was created by street chalk artist Tracy Lee Stum (USA) and was a reproduction of Leonardo Da Vinci’s ‘The Last Supper’ and unveiled on 13 November 2006 at Trump Tower, New York, USA.

The painting was created to celebrate the DVD launch of Sony Pictures Home Entertainment’s ‘The Da Vinci Code’ and was donated to charity to auction off in support of Arts Education.
The Da Vinci original measures 15 ft x 29 ft.